SS (Optical storage)

Question 1

Explain optical storage in terms of capacity, durability, portability and speed of access

Answer 1

1)650 MB (CD), 9GB (DVD), 50 GB (Blu-ray).
2)Disks are very fragile and break / scratch easily.
3)Thinness makes it very easy to transport.
4)Relatively slow access speed.
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Question 2

Explain optical storage in terms of capacity

Answer 2

650 MB (CD), 9GB (DVD), 50 GB (Blu-ray).

Question 3

Explain optical storage in terms of durability

Answer 3

Disks are very fragile and break / scratch easily.

Question 4

Explain optical storage in terms of portability

Answer 4

Thinness makes it very easy to transport.

Question 5

Explain optical storage in terms of speed of access

Answer 5

Relatively slow access speed.

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Question 6

What is optical storage suitable for?

Answer 6

Storing multimedia files such as music,

pictures and videos.

Question 7

Explain optical storage

Answer 7

Optical storage uses laser technology to project beams of light onto a disk. If light is reflected back then the data is recorded as 1, no reflection records a 0. In this method, lasers can write to and read from a disk.